Question 662154
what is the exact value of sin, in degrees if tan <0 and cos= -7/25?
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{{{sin(x) = sqrt(1 - cos^2(x)) = sqrt(576/25) = 24/25}}}
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The cosine < 0 in Q2 & Q3
The tangent < 0 in Q2 & Q4
--> sin = 24/25 in Q2